>> i want to see us export more jobs, export more products -- excuse me. i was -- i was channeling my opponent there for a second. >> reporter: last week romney hinting at his debate approach. >> he's trying to fool people into thinking that i think things i don't and that ends, i think, during the debate. >> reporter: for days both sides have been tamping down expectations, today on the sunday talk shows. >> he's prepared more than any candidate, maybe in history, certainly in recent memory. >> sometimes we expect a major break through, the comment, that doesn't happen very often. >> reporter: but on "meet the press," new jersey republican governor chris christie had a different take. >> come sunday morning, the entire race is going to change.